@article{1183526092, author = {Weinberger, H. F.}, title = {On bounding harmonic functions by linear interpolation}, journal = {Bull. Amer. Math. Soc.}, volume = {70}, number = {6}, year = {1964}, pages = { 525-529}, language = {en}, url = {http://dml.mathdoc.fr/item/1183526092} }
Weinberger, H. F. On bounding harmonic functions by linear interpolation. Bull. Amer. Math. Soc., Tome 70 (1964) no. 6, pp. 525-529. http://gdmltest.u-ga.fr/item/1183526092/